1 files changed, 49 insertions, 0 deletions
diff --git a/include/mach/k3/debug_ll.h b/include/mach/k3/debug_ll.h
new file mode 100644
index 0000000000..2433bb8f2e
--- /dev/null
+++ b/include/mach/k3/debug_ll.h
@@ -0,0 +1,49 @@
+#ifndef __MACH_K3_DEBUG_LL_H__
+#define __MACH_K3_DEBUG_LL_H__
+#include <io.h>
+
+#define AM62X_UART_UART0_BASE	0x02800000
+#define AM62X_UART_UART1_BASE	0x02810000
+#define AM62X_UART_UART2_BASE	0x02820000
+#define AM62X_UART_UART3_BASE	0x02830000
+#define AM62X_UART_UART4_BASE	0x02840000
+#define AM62X_UART_UART5_BASE	0x02850000
+#define AM62X_UART_UART6_BASE	0x02860000
+
+#if defined CONFIG_DEBUG_AM62X_UART
+#define K3_DEBUG_SOC AM62X_UART
+
+#define __K3_UART_BASE(soc, num) soc##_UART##num##_BASE
+#define K3_UART_BASE(soc, num) __K3_UART_BASE(soc, num)
+
+static inline uint8_t debug_ll_read_reg(int reg)
+{
+	void __iomem *base = (void *)K3_UART_BASE(K3_DEBUG_SOC,
+					CONFIG_DEBUG_K3_UART_PORT);
+
+	return readb(base + (reg << 2));
+}
+
+static inline void debug_ll_write_reg(int reg, uint8_t val)
+{
+	void __iomem *base = (void *)K3_UART_BASE(K3_DEBUG_SOC,
+					CONFIG_DEBUG_K3_UART_PORT);
+
+	writeb(val, base + (reg << 2));
+}
+
+#include <debug_ll/ns16550.h>
+
+static inline void debug_ll_init(void)
+{
+	/* already configured */
+}
+
+static inline void PUTC_LL(int c)
+{
+	debug_ll_ns16550_putc(c);
+}
+
+#endif
+
+#endif /* __MACH_K3_DEBUG_LL_H__ */